EP2849409B1 - Method and system for achieving moving synchronization in remote control and computer storage medium - Google Patents

Method and system for achieving moving synchronization in remote control and computer storage medium Download PDF

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Publication number
EP2849409B1
EP2849409B1 EP13787758.5A EP13787758A EP2849409B1 EP 2849409 B1 EP2849409 B1 EP 2849409B1 EP 13787758 A EP13787758 A EP 13787758A EP 2849409 B1 EP2849409 B1 EP 2849409B1
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Prior art keywords
synchronization
acceleration
local
time
controlled object
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German (de)
English (en)
French (fr)
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EP2849409A1 (en
EP2849409A4 (en
Inventor
Guohong Li
Longfeng WEI
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Tencent Technology Shenzhen Co Ltd
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Tencent Technology Shenzhen Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/12—Synchronisation between the display unit and other units, e.g. other display units, video-disc players
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/02—Networking aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection

Definitions

  • the present disclosure relates to network technologies, and more particular to a method and system for achieving moving synchronization in remote control and computer storage medium.
  • a remote meeting for example, a remote meeting, a remote desktop, a remote whiteboard, an online game, etc.
  • a user can send an instruction in a remote to a terminal so as to control the terminal.
  • the terminal can display remote control results by moving a controlled object.
  • the controlled object can be displaying elements on the terminal, and can be a cursor, an icon, a picture, an animation, or a 2D/3D model.
  • the controlled object in a remote whiteboard application, is a cursor, operations that a user moves a mouse can be remotely detected, and a cursor control instruction can be generated according to a track of the mouse's movement and can be sent to the terminal.
  • the terminal controls a cursor's movement on a display screen of the terminal according to the cursor control instruction.
  • the controlled object is a 2D/3D model (i.e., player character), the client can move the 2D/3D model on the display screen according to a character control instruction issued by a server.
  • D1( US20100110001A1 ) discloses an input device including a detection unit, a first acquisition unit, a second acquisition unit, and a compensation unit.
  • the detection unit is configured to detect an operation by a user for controlling an electronic device and output an operation signal corresponding to the operation.
  • the first acquisition unit is configured to acquire the detected operation signal and a differential value of the operation signal.
  • the second acquisition unit is configured to acquire a function defined by the differential value to compensate for a delay in response of the operation signal with respect to the operation by the user.
  • the compensation unit is configured to compensate the operation signal with the acquired function.
  • a method for achieving moving synchronization in remote control includes:
  • the step of moving the controlled object within the preset synchronization time according to the synchronization acceleration and the synchronization initial velocity specifically includes: when V M is greater than V 0 , taking V T ⁇ 80% as an initial velocity, and moving the controlled object at variable speeds according to the synchronization acceleration within the synchronization time; when V M is smaller than V 0 , taking V T ⁇ 120% as an initial velocity, and moving the controlled object at variable speeds according to the synchronization acceleration within the synchronization time.
  • a method for achieving moving synchronization in remote control includes:
  • the step of moving the controlled object according to the synchronization acceleration and the synchronization initial velocity within the preset synchronization time specifically includes:
  • a system for achieving moving synchronization in remote control includes:
  • the synchronization moving module is also configured to, when V M is greater than V 0 , take V T ⁇ 80% as an initial velocity, and move the controlled object at variable speeds according to the synchronization acceleration within the synchronization time; when V M is smaller than V 0 , take V T ⁇ 120% as an initial velocity, and move the controlled object at variable speeds according to the synchronization acceleration within the synchronization time.
  • a system for achieving moving synchronization in remote control includes:
  • the synchronization moving module is further configured to move the controlled object at the synchronization initial velocity with the startup acceleration for a time length of one half of the synchronization time; move the controlled object with the end acceleration for a time length of one half of the synchronization time.
  • a method for achieving moving synchronization in remote control includes following steps.
  • Step S102 obtaining a remote control instruction, and extracting a target speed and a remote moment from the remote control instruction.
  • the remote control instruction refers to a control instruction sent by a remote.
  • the target speed refers to a speed at which the controlled object is expected to move.
  • the remote moment refers to a moment when the remote control instruction is sent.
  • the remote control instruction can be sent to a terminal through a remote controller in the remote.
  • the remote controller is a remote mouse input system.
  • a moving speed of a mouse (the moving speed can be a vector) can be collected according to a default sampling interval, the remote control instruction can be generated according to the moving speed (i.e., target speed) and a sampling moment (i.e., remote moment) and can be sent.
  • the sampling interval is smaller, a track of the mouse's movement can be divided into a plurality of line segments.
  • a plurality of collected control instructions can be used to make the controlled object on the terminal move uniformly at different speeds on each line segment along a track formed by connecting the plurality of line segments.
  • the remote controller can be an online game server, and the terminal can be a game client.
  • the online game server regularly issues a control instruction containing a remote moment and an expected moving speed (target speed) of a game character to the game client.
  • Step S104 obtaining a local moving state of the controlled object, the local moving state including a local speed and a local moment of the controlled object.
  • the local moving state refers to state information of the controlled object on the terminal when the remote control instruction is received.
  • the local speed refers to a moving speed of the controlled object (the moving speed can be a vector) when the remote control instruction is received.
  • the local moment is a moment when the remote control instruction is received.
  • Step S106 calculating a delay time according to the remote control moment and the local moment.
  • the delay time can be obtained by calculating a difference between the local moment and the remote moment.
  • the delay time represents a waiting time before the terminal receives the remote control instruction after the remote controller sends the remote control instruction, and is a value greater than 0.
  • Step S108 moving the controlled object according to the delay time, the target speed, the local speed and a preset synchronization time.
  • the synchronization time refers to a time used for moving the controlled object to be synchronized with the remote.
  • the step of moving the controlled object according to the delay time, the target speed, the local speed and a preset synchronization time can specifically include: calculating a synchronization acceleration and a synchronization initial velocity according to the delay time, the target speed, the local speed and the preset synchronization time; moving the controlling object within the preset synchronization time according to the synchronization acceleration and the synchronization initial velocity.
  • the synchronization acceleration can be a constant, or a value which is continuously or discretely changed over time.
  • the synchronization acceleration is a constant.
  • a moving speed of the controlled object can be set to be V T , and then the controlled object has a uniformly accelerated motion or a uniformly retarded motion with the acceleration A within the synchronization time, until an end of the synchronization time. At this moment, the moving speed of the controlled object is V M .
  • the synchronization is completed by moving the controlled object in form of a uniformly accelerated motion or a uniformly retarded motion within the synchronization time, comparing with the typical synchronization method of directly resetting the position of the controlled object, a buffer is established in vision and the displaying is more smoother, and the case that the controlled object jumps will not appear.
  • the step of moving the controlling object within the preset synchronization time according to the synchronization acceleration and the synchronization initial velocity can specifically include: when V M is greater than V 0 , taking V T ⁇ 80% as an initial velocity, and moving the controlled object at variable speeds according to the synchronization acceleration speed within the synchronization time; when V M is smaller than V 0 , taking V T ⁇ 120% as an initial velocity, and moving the controlled object at variable speeds according to the synchronization acceleration speed within the synchronization time.
  • the synchronization acceleration speed can include a startup acceleration and an end acceleration. That is, the synchronization acceleration speed is discretely changed over time, and has two values of the startup acceleration and the end acceleration.
  • the step of calculating a synchronization acceleration and a synchronization initial velocity according to the delay time, the target speed, the local speed and the preset synchronization time can specifically include:
  • the step of moving the controlled object according to the synchronization acceleration and the synchronization initial velocity within the preset synchronization time can specifically include:
  • the local speed can be taken as the synchronization initial velocity, and the controlled objected is moved with the startup acceleration A begin for a time length of a front half of the synchronization time.
  • the moving speed of the controlled object becomes to be V H .
  • the controlled object is moved at an initial velocity of V H with the end acceleration A end for a time length of a latter half of the synchronization time.
  • the moving speed of the controlled object becomes to be V M , thereby completing the synchronization. That is to say, in the synchronization time, the controlled object is synchronized with variable accelerations.
  • a begin 4 ⁇ V M ⁇ V 0 ⁇ T delay / T sync 2 + 3 ⁇ V M ⁇ V 0 / T sync ;
  • a end ⁇ 4 ⁇ V M ⁇ V 0 ⁇ T delay / T sync 2 + V M ⁇ V 0 / T sync ;
  • V H 2 ⁇ V M ⁇ V 0 ⁇ T delay / T sync + 3 ⁇ V M ⁇ V 0 / T sync ;
  • V M is greater than V 0
  • a begin is greater than 0
  • a end is smaller than 0
  • the moving speed of the controlled object is accelerated at the acceleration A begin to V H within a time interval from 0 to 0.5 T sync , and then is decelerated at the acceleration A end to V M within a time interval from 0.5 T sync to T sync .
  • V M is smaller than V 0
  • a begin is smaller than 0,
  • a end is greater than 0, the moving speed of the controlled object is decelerated at the acceleration A begin to V H within a time interval from 0 to 0.5 T sync , and then is accelerated at the acceleration A end to V M within a time interval from 0.5 T sync to T sync .
  • one present disclosure also provides one or more computer storage mediums containing computer-executable instructions; the computer-executable instructions are configured to perform a method for achieving moving synchronization in remote control. Specific steps of performing the method for achieving moving synchronization in remote control by the computer-executable instructions in the computer storage medium refers to description of the above method and will not be repeated here.
  • a system for achieving moving synchronization in remote control includes: a control instruction obtaining module 102, configured to obtain a remote control instruction, and extract a target speed and a remote moment from the remote control instruction.
  • the remote control instruction refers to a control instruction sent by a remote.
  • the target speed refers to a speed at which the controlled object is expected to move.
  • the remote moment refers to a moment when the remote control instruction is sent.
  • the remote control instruction can be sent to a terminal through a remote controller in the remote.
  • the remote controller is a remote mouse input system.
  • a moving speed of a mouse (the moving speed can be a vector) can be collected according to a default sampling interval, the remote control instruction can be generated according to the moving speed (i.e., target speed) and a sampling moment (i.e., remote moment) and can be sent.
  • the sampling interval is smaller, a track of the mouse's movement can be divided into a plurality of line segments.
  • a plurality of control instructions collected by the control instruction obtaining module 102 can be used to make the controlled object on the terminal move uniformly at different speeds on each line segment along a track formed by connecting the plurality of line segments.
  • the remote controller can be an online game server, and the terminal can be a game client.
  • the online game server regularly issues a control instruction containing a remote moment and an expected moving speed (target speed) of a game character to the game client.
  • a local state obtaining module 104 configured to obtain a local moving state of the controlled object, the local moving state including a local speed and a local moment of the controlled object.
  • the local moving state refers to state information of the controlled object on the terminal when the remote control instruction is received.
  • the local speed refers to a moving speed of the controlled object (the moving speed can be a vector) when the remote control instruction is received.
  • the local moment is a moment when the remote control instruction is received.
  • a delay time calculating module 106 configured to calculate a delay time according to the remote control moment and the local moment.
  • the delay time calculating module 106 can be configured to calculate a difference between the local moment and the remote moment to obtain the delay time.
  • the delay time represents a waiting time before the terminal receives the remote control instruction after the remote controller sends the remote control instruction, and is a value greater than 0.
  • a synchronization moving module 108 configured to move the controlled object according to the delay time, the target speed, the local speed and a preset synchronization time.
  • the synchronization time refers to a time used for moving the controlled object to be synchronized with the remote.
  • the synchronization moving module 108 can be configured to calculate a synchronization acceleration and a synchronization initial velocity according to the delay time, the target speed, the local speed and the preset synchronization time; move the controlling object within the preset synchronization time according to the synchronization acceleration and the synchronization initial velocity.
  • the synchronization acceleration can be a constant, or a value which is continuously or discretely changed over time.
  • the synchronization acceleration is a constant.
  • the synchronization moving module 108 can be configured to, at the beginning of the synchronization, set a moving speed of the controlled object to be V T , and then make the controlled object have a uniformly accelerated motion or a uniformly retarded motion with the acceleration A within the synchronization time, until an end of the synchronization time. At this moment, the moving speed of the controlled object is V M .
  • the synchronization is completed by moving the controlled object in form of a uniformly accelerated motion or a uniformly retarded motion within the synchronization time, comparing with the typical synchronization method of directly resetting the position of the controlled object, a buffer is established in vision and the displaying is more smoother, and the case that the controlled object jumps will not appear.
  • the synchronization moving module 108 can also be configured to, when V M is greater than V 0 , take V T ⁇ 80% as an initial velocity, and move the controlled object at variable speeds according to the synchronization acceleration speed within the synchronization time; when V M is smaller than V 0 , take V T ⁇ 120% as an initial velocity, and move the controlled object at variable speeds according to the synchronization acceleration speed within the synchronization time.
  • the synchronization acceleration speed can include a startup acceleration and an end acceleration. That is, the synchronization acceleration speed is discretely changed over time, and has two values of the startup acceleration and the end acceleration.
  • V 0 is the local speed
  • a begin is the startup acceleration
  • T sync is the synchronization time
  • V H is an intermediate variable which represents a speed obtained through accelerating V 0 at the acceleration A begin for a time length of 1/2 T sync
  • a end is the end acceleration
  • V M is the target speed
  • T delay is the delay time.
  • the synchronization moving module 108 can also be configured to move the controlled object at the synchronization initial velocity with the startup acceleration for a time length of one half of the synchronization time; move the controlled object with the end acceleration for a time length of one half of the synchronization time.
  • the synchronization moving module 108 can also be configured to take the local speed as the synchronization initial velocity, and move the controlled objected with the startup acceleration A begin for a time length of a front half of the synchronization time.
  • the moving speed of the controlled object becomes to be V H .
  • the synchronization moving module 108 can also be configured to move the controlled object at an initial velocity of V H with the end acceleration A end for a time length of a latter half of the synchronization time.
  • the moving speed of the controlled object becomes to be V M , thereby completing the synchronization. That is to say, in the synchronization time, the controlled object is synchronized with variable accelerations.
  • a begin 4 ⁇ V M ⁇ V 0 ⁇ T delay / T sync 2 + 3 ⁇ V M ⁇ V 0 / T sync ;
  • a end ⁇ 4 ⁇ V M ⁇ V 0 ⁇ T delay / T sync 2 + V M ⁇ V 0 / T sync ;
  • V H 2 ⁇ V M ⁇ V 0 ⁇ T delay / T sync + 3 ⁇ V M ⁇ V 0 / T sync ;
  • V M is greater than V 0
  • a begin is greater than 0
  • a end is smaller than 0
  • the moving speed of the controlled object is accelerated at the acceleration A begin to V H within a time interval from 0 to 0.5 T sync , and then is decelerated at the acceleration A end to V M within a time interval from 0.5 T sync to T sync .
  • V M is smaller than V 0
  • a begin is smaller than 0,
  • a end is greater than 0, the moving speed of the controlled object is decelerated at the acceleration A begin to V H within a time interval from 0 to 0.5 T sync , and then is accelerated at the acceleration A end to V M within a time interval from 0.5 T sync to T sync .

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • User Interface Of Digital Computer (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Numerical Control (AREA)
  • Selective Calling Equipment (AREA)
  • Processing Or Creating Images (AREA)
  • Control Of Electric Motors In General (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
EP13787758.5A 2012-05-08 2013-05-03 Method and system for achieving moving synchronization in remote control and computer storage medium Active EP2849409B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210140232.8A CN103391300B (zh) 2012-05-08 2012-05-08 远程控制中实现移动同步的方法和系统
PCT/CN2013/075119 WO2013166936A1 (zh) 2012-05-08 2013-05-03 远程控制中实现移动同步的方法和系统、计算机存储介质

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EP2849409A1 EP2849409A1 (en) 2015-03-18
EP2849409A4 EP2849409A4 (en) 2015-08-05
EP2849409B1 true EP2849409B1 (en) 2018-07-04

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US (1) US9472165B2 (zh)
EP (1) EP2849409B1 (zh)
JP (1) JP5866481B2 (zh)
KR (1) KR101841056B1 (zh)
CN (1) CN103391300B (zh)
BR (1) BR112014027505B1 (zh)
CO (1) CO7151493A2 (zh)
PE (1) PE20142283A1 (zh)
PH (1) PH12014502426B1 (zh)
SG (1) SG11201407127XA (zh)
WO (1) WO2013166936A1 (zh)

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Publication number Publication date
CN103391300B (zh) 2014-11-05
WO2013166936A1 (zh) 2013-11-14
BR112014027505A2 (pt) 2017-06-27
BR112014027505B1 (pt) 2019-04-09
PH12014502426A1 (en) 2015-01-12
JP2015518621A (ja) 2015-07-02
EP2849409A1 (en) 2015-03-18
KR20150008457A (ko) 2015-01-22
CO7151493A2 (es) 2014-12-29
KR101841056B1 (ko) 2018-03-22
SG11201407127XA (en) 2015-01-29
PE20142283A1 (es) 2015-01-08
US20150062008A1 (en) 2015-03-05
EP2849409A4 (en) 2015-08-05
JP5866481B2 (ja) 2016-02-17
PH12014502426B1 (en) 2015-01-12
CN103391300A (zh) 2013-11-13
US9472165B2 (en) 2016-10-18

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